Newcastle Landfill - Municipal Solid Waste Landfill in Newcastle, Oklahoma

Newcastle Landfill is a municipal solid waste landfill located at 1741 North Portland Avenue in Newcastle, McClain County, Oklahoma. Owned and operated by Republic Services, Inc., the facility has been operational since 1986 and is scheduled for closure in 2035. As a landfill, it serves the region's waste disposal needs, managing solid waste from residential, commercial, and industrial sources. The landfill operates under the regulatory framework of the United States Environmental Protection Agency (EPA), specifically Subtitle D of the Resource Conservation and Recovery Act (RCRA) for municipal solid waste landfills, as well as Clean Air Act (CAA) regulations for landfill gas emissions. The facility is subject to requirements for liner systems, leachate collection, groundwater monitoring, and gas collection and control. Republic Services, as a major waste management company, typically implements modern landfill practices including gas-to-energy or flaring systems. Newcastle Landfill plays a key role in the waste management infrastructure of central Oklahoma, serving the growing communities around Newcastle and Oklahoma City. Its long operational history and planned closure date indicate a well-established site with ongoing environmental management obligations. The facility's proximity to residential areas and transportation routes necessitates careful attention to traffic, odor, and leachate management to minimize community impact.

The landfill is situated in McClain County, Oklahoma, a region with a mix of rural and suburban development. The local environment includes groundwater resources that require protection from leachate contamination. Landfill gas, primarily methane, must be managed to reduce greenhouse gas emissions and odor. The facility's location near Newcastle and major roads means community proximity and traffic are ongoing considerations. Proper leachate treatment and gas collection systems are essential to mitigate environmental risks.